Dutch-trained designer Max Lipsey, inspired by vintage racing bikes, used chromosteel tubing and perforated saddle leather for his sleek, lightweight Acciaio Series chairs. And in case he hasn’t made his point clearly enough, some also come with racing stripes (lounge chair, $2,300, dining chair, $1,600, stool, $800, at Matter, 405 Broome St., nr. Lafayette St.; 212-343-2600; prices approximate).